Tire tread



FIG. 1 is a perspective view of a tire tread showing our new design, it being understood that the tread pattern is repeated throughout the circumference of the tire, and that the broken line illustrates the location of a sidewall and bead, but forms no part of the claimed design;

FIG. 2 is an enlarged fragmentary plan view of the tire tread illustrated in FIG. 1;

FIG. 3 is a side view of the tire tread; and,

FIG. 4 is the opposite side view of the tire tread.

The broken lines in the drawings depict environmental structure, which forms no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 